capsquare

English

A capsquare (both top and bottom pieces)

Etymology

From cap +‎ square.

Noun

capsquare (plural capsquares)

1. (military, history) A metal plate that covers the trunnions of a cannon and holds it in place.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “capsquare”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)